2117356512 has 48 divisors (see below), whose sum is σ = 5641034112. Its totient is φ = 695249280.

The previous prime is 2117356489. The next prime is 2117356529. The reversal of 2117356512 is 2156537112.

2117356512 is nontrivially palindromic in base 15.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×2117356512² = 8966397197817612288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158164 + ... + 171027.

It is an arithmetic number, because the mean of its divisors is an integer number (117521544).

Almost surely, 2^2117356512 is an apocalyptic number.

It is an amenable number.

2117356512 is an abundant number, since it is smaller than the sum of its proper divisors (3523677600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2117356512 is a wasteful number, since it uses less digits than its factorization.

2117356512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329271 (or 329263 counting only the distinct ones).

The product of its digits is 12600, while the sum is 33.

The square root of 2117356512 is about 46014.7423333001. The cubic root of 2117356512 is about 1284.0974877699.

The spelling of 2117356512 in words is "two billion, one hundred seventeen million, three hundred fifty-six thousand, five hundred twelve".